Help & Music/Dance Manga

the help
Im trying to remember a manga title. The premise is a guy who washes up on the beach in japan and starts a band only he has this amazing god like voice or something and when he sings it changes/inspires people to do good or bad or something.. idk read awile ago

add to the list please

music manga (manga in which the characters lives revolve around music)
beck
nana
angel voice